Mapleton City Of, ND
Lead reported as not detected
Latest 90th-percentile lead: reported as 0 (not detected) (monitoring period 2022-2024). The federal action level is 15 ppb today and drops to 10 ppb in Nov 2027; EPA's health goal is 0. The latest 90th-percentile result was reported as 0 (not detected at the lab's limit). That says the sampled homes were low, not that your home has no lead service line. Check your utility's service line inventory for your address.
Mapleton City Of at a glance
Mapleton City Of serves about 1,320 people through 207 service connections, which makes it a small system under EPA's size classes. It is owned by a local government (city, town, county or district) and draws groundwater, in Cass County, North Dakota. EPA system ID: ND0900613; phone on file: 701-282-6992. They can tell you what your service line is made of and whether they pay to replace it.
Mapleton City Of's lead record
That is down 1.45 ppb from 1.45 ppb in the period ending 2021. The highest 90th-percentile result EPA holds for Mapleton City Of is 1.6 ppb across 3 monitoring periods, none of them over 15 ppb.
| Period ending | 90th-percentile lead |
|---|---|
| 2024 | 0 (not detected) |
| 2021 | 1.45 ppb |
| 2018 | 1.6 ppb |
Against other North Dakota systems
Of the 300 North Dakota systems with a lead result, the median latest reading is 0.91 ppb; 3 are over 15 ppb right now and 20 have gone over at some point. Mapleton City Of's reported as 0 (not detected) sits at the 33rd percentile in North Dakota and the 28th nationally (higher means more lead). Systems reporting 0 tie at the bottom, so the rank mostly reflects size among them.
Nearby utilities
25 other systems share Cass County; 15 of them have a higher latest lead result than Mapleton City Of. If you are unsure which one supplies your house, the name on your water bill decides it.
| System | People | Latest lead |
|---|---|---|
| Fargo City Of | 120,762 | 1.89 ppb |
| West Fargo City Of | 34,858 | 0 (not detected) |
| Cass Rural Water District Fargo | 4,242 | 1.63 ppb |
| Cass Rural Water District-Phase I | 3,658 | 0 (not detected) |
| Casselton City Of | 2,513 | 12.1 ppb |
| Cass Rural Water District-Phase Ii | 1,700 | 0 (not detected) |
| Cass Rural Water District-Phase Iii | 1,682 | 0 (not detected) |
| Horace City Of | 1,641 | 0 (not detected) |
| Harwood City Of | 718 | 6.72 ppb |
| Kindred City Of | 692 | 0 (not detected) |
Next steps for Mapleton, ND
Look up your address in Mapleton City Of's service line inventory. If it says lead, galvanized or unknown, test your tap. If your own line is lead, replacing the private side runs about $1,200-$12,300 (EPA average about $4,700). Ask Mapleton City Of whether it covers that cost before hiring anyone - many utilities now do.
These figures describe homes the utility sampled, not your tap. Only your service line record or a test of your own water answers the question for your house. What a 90th-percentile result does and does not tell you: how to read a lead result. A zero today does not rule out a jump later - the rules are tightening in 2027.